![Supergirl Season 4 Episode 2 Supergirl Season 4 Episode 2](https://image.tmdb.org/t/p/w185/vqBsgL9nd2v04ZvCqPzwtckDdFD.jpg)
Supergirl Season 4 Episode 2
A shocking revelation causes chaos in National City. Supergirl sets out to capture Mercy Graves, while Alex takes control at the DEO. Back at CatCo, Kara decides to write an investigative story on Mercy and asks Lena if she can interview her as Mercy has ties to the Luthors. Meanwhile, Brainy meets Nia and the two end up in a precarious situation.
Serie: Supergirl
Director: Harry Jierjian
Guest Star: Andrea Brooks, Anthony Konechny, Bruce Boxleitner, Lynda Carter, Rhona Mitra, Robert Baker